Marketplace · API · x402

x402-gateway.blackwoodstate8.workers.dev/v1/speech-to-text

Use when you need speech to text transcription or translation of an audio file at a public URL. Do not use for audio over 10 MB or speaker labels. Returns JSON with a Whisper transcription of an audio file: text, timed segments and language, or an English translation for 0.005 USDC per megabyte, up to 0.05 USDC per call (clients without upto pay the cap). Asynchronous: the paid call returns a jobId and a free pollUrl; typical job time 20000 ms (p95). Category: Media.

Endpointhttps://x402-gateway.blackwoodstate8.workers.dev/v1/speech-to-text
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xe9949cA82543031952eB55EB045f80A94C728fFc
methodPOST
last updated2026-11-09T16:57:52.819Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402-gateway.blackwoodstate8.workers.dev/v1/speech-to-text
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-586fe1b32e591e38

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

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